TP-LINK (TL-FC311B-2) Gigabit WDM Media Converter, Fiber up to 2km, Auto-Negotiation RJ45 Port, GB SC Fiber Port, 1310 nm TX, 1550 nm RX

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Gigabit WDM Media Converter

  • 1x 10/100/1000Mbps Auto-Negotiation RJ45 port supports Auto-MDI/MDIX
  • Auto-negotiation of Half-Duplex/Full-Duplex transfer mode
  • Adopts WDM technology, transmitting and receiving data on one single fiber
  • Extends fiber distance up to 2 km
What This Product Does

TL-FC311B-2 is a gigabit media converter, providing a gigabit RJ-45 port and a gigabit SC fiber port, which can convert between electrical and optical signals. And long-distance data transmission through optical fiber can be applied to commercial scenarios such as park security monitoring and wireless networking.

How This Product Works

TL-FC311B-2 adopts WDM (wavelength division multiplexing) technology, helping send and receive data at a distance of up to 2 km with only a single mode fiber, which saves half of the cable deployment cost for customers.  TL-FC311B-2 transmits data at 1310 nm wavelength and receives data at 1550 nm wavelength on optical fiber. Therefore, the terminal device used in conjunction with the  TL-FC311B-2 should send data at a wavelength of 1550 nm and receive data at a wavelength of 1310 nm. TP-Link another media converter  TL-FC311A-2 is one of the products that can cooperate with  TL-FC311B-2.

Other Features

Besides, this media converter can be used as a standalone device (no rack required) or used with TP-Link's TL-FC1420 rack for auto MDI/MDI-X in TX port in which duplex mode is automatically negotiated.


2 Years

0.4000 kg

Package Weight
1310nm Tx/1550nm Rx
Enclosure Type
Basic Functions
Auto-negotiation of Half-Duplex/Full-Duplex transfer mode Transmitting and receiving data on one single fiber 9/125 um single-mode fiber (up to 2 km) Single-mode Fiber UTP category 5, 5e cable (maximum 100m)
1 x Gigabit SC Fiber Port 1 x 10/100/1000 Mbps RJ45 Port (Auto MDI/MDIX)
Standards and Protocols
IEEE 802.3i, 802.3u, 802.3ab, 802.3z
Wave Length
Transmission Distance
LED Indicators
PWR, Link/Act
Dimensions (WxDxH)
94.5 x 73.0 x 27.0 mm
Power Supply
External Power Adapter_ 5 V/0.6 A
Environment (C)
Operating Temperature_ 0C to 50C (32F to 122F) Storage Temperature_ -40C to 70C (-40F to 158F) Operating Humidity_ 10% to 90% RH non-condensing Storage Humidity_ 5% to 90% RH non-condensing
Package Type

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